MOLYMER MATEX is a general FRP manufacturing company.

ROSITETM Performance Comparison Table

 

Item Unit Standard ROSITETM（BMC grade）
Heat Resistant Precision Grade Electrical Conductivity Grade Low Expansion Grade General Precision Grade
3550C E550C S530B A260C
Specific Gravity JIS-K6911 1.84 1.81 1.74 1.93
Molding Shrinkage ％ JIS-K6911 0.01〜+0.02 0.01〜+0.02 0.01〜+0.02 0〜0.05
Water absorption
rate(23℃×24H)		 ％ JIS-K6911 0.12 0.1 0.058 0.15
Thermal Deformation Temperature
(1.80MPa)		 ℃ JIS-K6911 226 226 295< 229
Barcol Hardness
(GYZJ934-1)		 JIS-K6911 14 14 48 37
Linear Expansion Coefficient
(25〜135℃ MD)		 ×10-5/℃ JIS-K6911 1.5 2.0 0.97 1.40
Bending Strength MPa JIS-K6911 66.6 66.6 73.5 100.2
Flexural Modulus GPa JIS-K6911 10.5 10.5 12.5 10.4
Tensile Strength MPa JIS-K6911 34.3 34.3 57.8 37.4
Tensile Elongation GPa JIS-K6911 11.9 11.9 17 11.5
Compressive Strength MPa JIS-K6911 100.9 100.9 141.1 105.0
Compressive Modulus GPa JIS-K6911 ― ― 10.8 ―
Charpy Impact Strength kJ/m2 JIS-K6911 8.6 9.6 ― ―
Withstand Voltage kV/mm JIS-K6911 10 ― ― 14
Arc-resistance sec. JIS-K6911 189 ― ― 190
Insulation Resistance
(Normal State)		 MΩ JIS-K6911 108 ― ― 1.0×105
Insulation Resistance
(After Boiling)		 MΩ JIS-K6911 106〜7 ― ― 4.2×104
Volume Resistivity Ωcm JIS-K6911 3.16×1013 2.00×102〜4 0.32×100 8.09×1013
Surface Resistivity Ω JIS-K6911 ― ― 1.99×101 6.67×1013
Tracking Resistance CTI JIS-C2134 600< ― ― 600<
Combustion Quality UL94 V-0/5VA V-0 V-2 V-0
RTI(Relative Thermal Index) ℃ UL94 180 130 130 130
Flammability Tests for Railway Rolling Stock Materials (18-358K)
Cone Calorimeter Flammability Test (C18-33K)
*Japan Railway Rollingstock & Machinery Association
*These values are for reference only and are not guaranteed.